This premium filter cartridge is engineered for Strong Spa systems, featuring a secure closed-top design with an ergonomic semi-circular grip for effortless handling. The 1-½ inch coarse SAE male threads ensure a reliable connection on compatible Strong Spa models. Built to deliver superior filtration performance, this replacement cartridge maintains optimal water clarity and circulation in your spa. Hot tub manufacturers can vary the filter size for the same model. Therefore it’s best to confirm that this filter is the same size as the filter in your Strong Spas model before ordering to ensure proper fitment.
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